Siemens SINAMICS Intelligent Operator Panel Operating Instructions Manual page 98

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6.9 Know-how Protection
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Select "Parameters" from the menu.
Select "Search by number" from the Parameters menu.
Input "07767" then press "OK"
Parameter p7767 is displayed.
Press "OK" to edit the [0] index of the parameter.
Enter the ASCII code for "M" (77), then press "OK"
Operating Instructions, 08/2015, FW V1.6.1, A5E00110011B AF
Intelligent Operator Panel (IOP)